System of insulation for high-voltage electric conductors.



PATENTED DEC. 3, 1907.

I. M. LOGKB. SYSTEM OF INSULATION FOR HIGH VOLTAGE ELECTRIC GONDUOTORS.

APPLICATION I ILED APBQQ, 1907 2 SHEETS- 53E111 1.

I :Ximxmzg No. 872,569; 7 'PATENTED DEG. 31907 F. M, LOGKE. SYSTEMOFINSULATION FOR HIGH VOLTAGE ELECTRIC OONDUOTORS.

APPLICATION FILED APR. 9, 1907.

2 SHEETSSHEET 2.

rim/ way ll all Be it known that l, Finn) M. boom; of

l iiljl) M. LOCKE, 01" i SYSI'ELI OF INSULATION FOR HIGH--VOLTAGEELECTRIC CONDUCTORS.

I may com-(mi:

. county of Ontnrio, in the ow lurk, have invented new 21ml inproroniiil.s in Systems of Insulm l high-lounge Electric Conductors,

"of which. the following, taken in connection nith the heron pnnyingdrzuvii'igs, is it full, wienr, and t description.

f'lii'is invention relates to certain improve,- inents in sxi-iteni ofinsulation for high voltuge clectric conductors, and is particularlyuseful in connection with what is commonly known as the tlu'ee-wiresystem for over- As in or; auling application No 867,251

filed Apr 5*, ion? on indefinite number of insulators, according to thevoltage of the current onrri-od by the conduct-on are interposed hotweensaid conductor nrnl main support and :nc suitably timl togethcijnull totho supports to enable me to use comparagethcr t vly Smnll insulatorsoi" high electric rtsistingpowcr, flllll insulator being composed of aplurality of sections nested to- ;n'Kl hclrl in lixed relation by thetie pieces. One 7 ioguishing chzn'sicteristics of my present inventionow thr e of my other PUIHllD" upplicnlion tl'int the entire .systen'i isbi: p with the (lesiroil number of insulators to t urcim or staticdischarges of it 1m not! voltage; is nmunted upon a S'Ultil or ed to hoiii-smiled as n. unit upon suituilc towers or other sun mrting nicdnnns.

My objcet, tlmrelore, is to r-: vi(lo menus 'n'l'ieroh r my number ofinsuln-t-(us may be tiwfl. l. i r in samuuslice in and to n-suimhlosupporting nu; cimstituting a sys gm of ",mh' -11 i Uistlhhiofl .tuuptu.D0 D0 inn-nu uolilllu film instullotlnt :1 nnnnnuin cost, and one inwhich the n'isulntors may he readily in crei-iscu or thwunshell orortling to the voll nil imam-lotion upon suitable towers or supportingfre'ino and iMlttYtv UNITED STATES FATE) Specification of LettersPatont,

tho

lrnl socket for ret As prerion. tier sire co-zi ml and tho hoses of the1nsu-.

lUR, NEW YORK.

Patented. me; 3, 1907.

Application filef April 9 19-37; Serial No 367.262.

Other objects and uses following description. i

In the rlrawings- Figure 1 is an elevation partly in section of onesystoni of insulation for it plurality of, in this instance, threeconductors; Fig. 2 similar clemttion, partly in section of u modifiedsystem of insulators for the same purpose;

The system shown in Fig. Icompriscs a series of in this instance, threetiers of insulators -1 mounted in a suitable frame composed oi" sirleburs -'2- and disposed in planes-one above the other a suiil'icicnt distonne apart to avoid nrcing of the current from one tier to the other.Each tier c0111- prises a series .of C(PitXiti-l insulators -1 or-OFFICE.

will appear in the ran ed end to end. and preferably in nirs,

t of ouch. pair being in opposed re fition with their nuluceil ends in.juxtaposition and unilezl-byn tuhularnietnl lmnrl 3 Each ntorpreil'irohly composed of a, series oi pctticout section's nestedtogether, the center section of e: rh insulator having a cening' centerpins, as le and 5 by which the insulators are tied to eiiehother audiothe frame bars --2. stated,- the insulators of each lators of on pairface in opposite directions so that the "ntrul so he; 0 the hosesections at tho inner side of one pair faces the control which face ouchother therebytying the inner insulators of both pairs together. The Icenter pins l are secured to the pairs --2-- and enter the sockets inthe adjacent or outer end insulators, said pins 4- scrving; to carry theentire load of the insulators of both pairs together with the center insS anal eh conductor ---6--. .t is now evident" that the insulator pins 4and 5 11 are also *Q-LHtXifil, the insulator pins t forming directsupport for the adj ncent insulators ----1- while the hands -3 tie theinsulators of each pair together and the control pins; --5 form ncontinuousbar or rod ftfiil servos to sustain the inner ends of theinsuiii-tors of each pair and also to support the conductor -6, which issecmcrl to the pins by 1110:1118 of a tie wire, as --7, or to one of theinsulators, Th insulators oi rcwh tier, and their upporting ITlQdlUjNSurcidonticnl and each center piece --o rcw and supports a con- Iconductor and main-supportin frame 2 15 n l glbe mounted on the bar oran insulator.

" of each tier being arranged in upper and I insulator by a metallicsleeve 13.-'.'

vframe-bar "sive static dischar es.

' insulator 1) tom insulatorv of the upper ductor, as -6, locatedbetween the opposite pairs of in'sul tors so that each conductor isinsulated om the main support or by a plurality of insulators eachcomposed of a series of sections nested togetherand held in thisrelation by the ame/bars 2 and center pins '-4 and 5 with the edges oftheir skirtsin ver tical planes to prevent an accumulation of moisturethereon, and thereby avoid exces- It is also obvious that the number 0insulators between the may be increased or dlmmis edto correspond withthe degree of voltage of the current carried by the conductor 6, which 0system of insulation shown in Fig. 2 18 supported upon, suitable crossarms 10 of a tower structure 1 1 and comprises a ators 1' of thepetticoat type nested-or otherwise secured together, those lower sets orpairs, the upper insulator of the upper p' air secured b a tie plece 1 1toa length ise metallic ar 12 of the cross bar --1 0- and is united toits companign T e mam sup orts.

of the lower pair of each tier is secured by a tie piece 1 1- to asecond metallic bar 15 on the lower cross arm ,10-and is united to itscompanion a metallicsleeve 1 3 similar to that'which supports theinsulators of the u per pair or set. The adjacent insulators 0 each tierare united by a rod or bar 16', one end of which fits in a socket in thebotbottom insulator pair while the lower end is provided with a cap -17which fits upon the upper end of the insulator i of insulators .for oneof the conductors as I of the lower. pair, the being also rovided witfits upon t e top insulator.

u per tie piece 11 ii a cap 17 which The insulators of each tier'areheldin place between the bars 12 and 115 and cross arms, --10 and eachconstitutes a separate series 16- or upon any one of the insulators. l

the open ends of the insulator.

In witness whereof I-have hereunto set my 9.5

erases l of the parts of each tier are identical and,

therefore, the description given of the parts of one tier will answerfor those of'the other tiers. l elt is evident from the foregoingdescriptlonthat the'number of .insulators and connectin mediums may bemultiplied or space apart indefinitely to prevent arcing or staticdischarges from the conductor tothe What claim is: Y

1. A system of insulation for high voltage currents comprising a seriesof (so-axial insulators each composed of sections nested together,center pins enter' the inner sections of said insulators and olding themin axial alinement, and supports for the end I center pins.

2. A system of insulation for high voltage currents comprising a seriesof co-axial t ticoat insulators nested together with .t eir axes in ahorizontal position, center pins enterin the inner sections of saidinsulators and olding' them in axial alinement, and 75 supports for theend center pins.

3. A system of insulation for high voltage electric conductors comprisina pair of insui lators arranged end to end, a and encir the adjacentends of the insulators for he] ing them in axial alinement, eachinsulator being composed of a series of petticoat sections nestedtogether with their open ends facing in opposite directions. in

4. A system of insulation for hi h voltage. electric conductorscomprising a p uralitybf pairs of insulators, arranged end to end, metalbands'encircling: adjacent ends of the insulators of each pair, eachinsulator com rising a series 'of tticoat sections neste' together,those 0 each pair having their opposlte ends facing in 0ppositedirections, and center pins ente center sections of one hand this th dayof March 1907.

. FRED M. LOCKE. Witnessesr p g Mason: PEER Loom,

C. A. Moons.

.86 those of each pair being

